Announcement PDF 1 of 1 29 May 2026 ASX Market Announcements Office ASX Limited Exchange Centre 20 Bridge Street SYDNEY NSW 2000 Dear Sir/Madam Hillgrove Resources Limited (ASX Code: HGO) Cleansing Notice – Notice under section 708A(5)(e) of the Corporations Act 2001 (Cth) This notice is given by Hillgrove Resources Limited ACN 004 297 116 (Company) under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). On 29 May 2026, the Company issued 116,279,070 fully paid ordinary shares (Shares) pursuant to the Mutooroo Copper Project Farm-In Agreement announced on 21 May 2026. The Company advises that: (a) the Shares were issued without disclosure to investors under Part 6D.2 of the Corporations Act; (b) this notice is being given under section 708A(5)(e) of the Corporations Act; (c) as a disclosing entity, the Company is subject to regular reporting and disclosure obligations; (d) as at the date of this notice, the Company has complied with: (i) the provisions of Chapter 2M of the Corporations Act, as they apply to the Company; and (i) section 674 and section 674A of the Corporations Act; and (e) as at the date of this notice, there is no information that is "excluded information" within the meanings of sections 708A(7) and 708A(8) of the Corporations Act. Yours faithfully Jake van der Hoek Joint Company Secretary Hillgrove Resources Limited Authorised for release by the Board of Hillgrove Resources Limited. For more information contact: Mr Bob Fulker Mr Luke Anderson CEO & Managing Director Chief Financial Officer Tel: +61 (0)8 7070 1698 Tel: +61 (0)8 7070 1698